#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
endif

include $(DEVKITARM)/ds_rules

#---------------------------------------------------------------------------------
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# INCLUDES is a list of directories containing extra header files
# DATA is a list of directories containing binary files
# all directories are relative to this makefile
#---------------------------------------------------------------------------------
BUILD		:=	build
SOURCES		:=	source  
INCLUDES	:=	include ..
DATA		:=

#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH	:=	-mthumb -mthumb-interwork

# note: arm9tdmi isn't the correct CPU arch, but anything newer and LD
# *insists* it has a FPU or VFP, and it won't take no for an answer!
CFLAGS	:=	-g -Wall -O2\
 			-march=armv5te -mtune=arm946e-s \
 			-fomit-frame-pointer\
			-ffast-math \
			$(ARCH)
#-mcpu=arm9tdmi -mtune=arm9tdmi

CFLAGS	+=	$(INCLUDE) -DARM9
CFLAGS  +=  -DPJ_M_ARMV4=1 -DPJ_NDS=1
CXXFLAGS	:=	$(CFLAGS) -fno-rtti -fno-exceptions

#ASFLAGS	:=	-g $(ARCH)
ASFLAGS	:=	-g $(ARCH) -march=armv5te -mtune=arm946e-s
LDFLAGS	=	-specs=ds_arm9.specs -g $(ARCH) -mno-fpu -Wl,-Map,$(notdir $*.map)

#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project
#---------------------------------------------------------------------------------
#DEBUG_LIB := -d
DEBUG_LIB := -mingw32
LIBS	:= -lpjsua-arm-nds$(DEBUG_LIB) \
		-lpjsip-simple-arm-nds$(DEBUG_LIB) \
		-lpjsip-ua-arm-nds$(DEBUG_LIB) \
		-lpjsip-arm-nds$(DEBUG_LIB) \
		-lpjmedia-arm-nds$(DEBUG_LIB) \
		-lpjnath-arm-nds$(DEBUG_LIB) \
        -lpjlib-util-arm-nds$(DEBUG_LIB)\
        -lpj-arm-nds$(DEBUG_LIB) \
        -lfat -ldswifi9d -lnds9 \
        -lm
#-lresample-arm-nds$(DEBUG_LIB)

#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS	:=	$(LIBNDS) \
			$(PJSIP_PATH)/pjproject-svn/pjsip \
			$(PJSIP_PATH)/pjproject-svn/pjmedia \
			$(PJSIP_PATH)/pjproject-svn/pjnath \
            $(PJSIP_PATH)/pjproject-svn/pjlib-util \
            $(PJSIP_PATH)/pjproject-svn/pjlib \
            $(PJSIP_PATH)/pjproject-svn/third_party

#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------
 
export ARM9BIN	:=	$(TOPDIR)/$(TARGET).arm9
export ARM9ELF	:=	$(CURDIR)/$(TARGET).arm9.elf
export DEPSDIR := $(CURDIR)/$(BUILD)

export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
					$(foreach dir,$(DATA),$(CURDIR)/$(dir))
 
#CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CFILES      := arm9_wifi.c arm9_console.c 

CFILES += $(TARGET).c

CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
 
#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
#---------------------------------------------------------------------------------
	export LD	:=	$(CC)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
	export LD	:=	$(CXX)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------

export OFILES	:=	$(addsuffix .o,$(BINFILES)) \
					$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
 
export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
			-I$(CURDIR)/$(BUILD)
 
export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
 
.PHONY: $(BUILD) clean
 
#---------------------------------------------------------------------------------
$(BUILD):
	@[ -d $@ ] || mkdir -p $@
	@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
 
#---------------------------------------------------------------------------------
clean:
	@echo clean ...
	@rm -fr $(BUILD) *.elf *.nds* *.bin 
 
 
#---------------------------------------------------------------------------------
else
 
DEPENDS	:=	$(OFILES:.o=.d)
 
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(ARM9BIN)	:	$(ARM9ELF)
	@$(OBJCOPY) -O binary $< $@
	@echo built ... $(notdir $@)

$(ARM9ELF)	:	$(OFILES)
	@echo linking $(notdir $@)
	@$(LD)  $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@

#---------------------------------------------------------------------------------
# you need a rule like this for each extension you use as binary data 
#---------------------------------------------------------------------------------
%.bin.o	:	%.bin
#---------------------------------------------------------------------------------
	@echo $(notdir $<)
	@$(bin2o)


-include $(DEPENDS)
 
#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------